<template>
  <div>
    <div>
      <el-input
          class="addPosInput"
          size="small"
          placeholder="添加职位..."
          suffix-icon="el-icon-plus"
          @keydown.enter.native="addPosition"
          v-model="pos.name">
      </el-input>
      <el-button type="primary" icon="el-icon-plus" size="small" @click="addPosition">添加</el-button>
      <el-button type="danger" size="small" style="margin-top: 8px" :disabled="this.multipleSelection.length==0" @click="deleteMany">批量删除</el-button>
    </div>
    <div class="posMenuMain">
      <el-table
          size="small"
          border
          :data="positionList"
          @selection-change="handleSelectionChange"
          style="width: 70%">
        <el-table-column
            type="selection"
            width="55">
        </el-table-column>
        <el-table-column
            prop="id"
            label="编号"
            width="55">
        </el-table-column>
        <el-table-column
            prop="name"
            label="职位"
            width="120">
        </el-table-column>
        <el-table-column
            prop="createDate"
            label="创建时间"
            width="200">
        </el-table-column>
        <el-table-column
            label="操作">
          <template slot-scope="scope">
            <el-button
                size="mini"
                @click="showEditView(scope.$index, scope.row)">编辑</el-button>
            <el-button
                size="mini"
                type="danger"
                @click="handleDelete(scope.$index, scope.row)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>
    <el-dialog
        title="编辑职位"
        :visible.sync="dialogVisible"
        width="30%">
      <div>
        <el-tag>职位名称</el-tag>
        <el-input v-model="updatePos.name" size="small" class="updatePosInput"></el-input>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="dialogVisible = false" size="small">取 消</el-button>
        <el-button type="primary" @click="doUpdate" size="small">确 定</el-button>
      </span>
    </el-dialog>
    <div class="block">
      <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="pagination.currentPage"
          :pager-count="5"
          :page-sizes="[10, 20, 30, 40]"
          :page-size="pagination.pageSize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="pagination.total">
      </el-pagination>
    </div>
  </div>
</template>

<script>
export default {
  name: "PosMenu",
  data(){
    return{
      pos: {
        name: ''
      },
      positionList: [],
      dialogVisible: false,
      updatePos: {
        name: ''
      },
      pagination: {
        currentPage: 1,
        pageSize: 20,
        total: 0
      },
      multipleSelection: []
    }
  },
  mounted() {
    this.initPositions();
  },
  methods: {
    deleteMany(){
      this.$confirm('此操作将永久删除['+this.multipleSelection.length+']条职位, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        let ids = '?';
        this.multipleSelection.forEach(item=>{
          ids += 'ids='+item.id+'&';
        });
        this.deleteRequest('/system/basic/pos/delete/'+ids).then(resp=>{
          if (resp){
            this.initPositions();
          }
        });
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        });
      });
    },
    handleSelectionChange(val) {
      this.multipleSelection = val;
    },
    doUpdate(){
      this.putRequest('/system/basic/pos/update',this.updatePos).then(resp=>{
        if (resp){
          this.initPositions();
          this.dialogVisible = false;
        }
      })
    },
    addPosition(){
      if (this.pos.name){
        this.postRequest('/system/basic/pos/add',this.pos).then(resp=>{
          if (resp){
            this.initPositions();
            this.pos.name='';
          }
        })
      }else {
        this.$message.error('职位名称不能为空');
      }
    },
    showEditView(index,data){
      Object.assign(this.updatePos,data);
      this.updatePos.createDate = '';
      this.dialogVisible = true;
    },
    handleDelete(index,data){
      this.$confirm('此操作将永久删除['+data.name+']职位, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        this.deleteRequest('/system/basic/pos/delete/'+data.id).then(resp=>{
          if (resp){
            this.initPositions();
          }
        });
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        });
      });
    },
    initPositions(){
      const params = {
        currentPage: this.pagination.currentPage,
        pageSize: this.pagination.pageSize,
      }
      this.postRequest('/system/basic/pos/list',params).then(resp=>{
        if (resp){
          this.pagination.total= resp.data.total;
          this.positionList = resp.data.list;
        }
      })
    },
    handleSizeChange(val) {
      this.pageSize=val;
    },
    handleCurrentChange(val) {
      this.currentPage=val;
    }
  }
}
</script>

<style>
.addPosInput{
  width: 300px;
  margin-right: 8px;
}
.posMenuMain{
  margin-top: 10px;
}
.block{
  margin-top: 20px;
  text-align: center;
}
.updatePosInput{
  width: 200px;
  margin-left: 8px;
}
</style>
